EP2822977B1 - Katalysatorkomponenten zur olefinpolymerisation - Google Patents

Katalysatorkomponenten zur olefinpolymerisation Download PDF

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EP2822977B1
EP2822977B1 EP13707189.0A EP13707189A EP2822977B1 EP 2822977 B1 EP2822977 B1 EP 2822977B1 EP 13707189 A EP13707189 A EP 13707189A EP 2822977 B1 EP2822977 B1 EP 2822977B1
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oxy
groups
ethoxycarbonyl
catalyst component
hydrogen
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EP2822977A2 (de
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Alessandro Mignogna
Simona Guidotti
Giampiero Morini
Joachim T. M. Pater
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Basell Poliolefine Italia SRL
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Basell Poliolefine Italia SRL
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/647—Catalysts containing a specific non-metal or metal-free compound
    • C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
    • C08F4/6494—Catalysts containing a specific non-metal or metal-free compound organic containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/96—Esters of carbonic or haloformic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
    • C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes

Definitions

  • the present invention relates to catalyst components for the polymerization of olefins, in particular propylene, comprising a Mg dihalide based support on which are supported Ti atoms and at least an electron donor selected from a specific class of electron donor compounds.
  • the present invention further relates to the catalysts obtained from said components and to their use in processes for the polymerization of olefins in particular propylene.
  • Catalyst components of the Ziegler-Natta type for the stereospecific polymerization of olefins are widely known in the art.
  • the latest developed catalysts for propylene polymerization comprise a solid catalyst component, constituted by a magnesium dihalide on which are supported a titanium compound and an internal electron donor compound, used in combination with an Al-alkyl compound and often with an external donor which is needed in order to obtain higher isotacticity.
  • One of the preferred classes of internal donors is constituted by the esters of phthalic acid, diisobutylphthalate being the most used.
  • the phthalates are used as internal donors in combination with alkylalkoxysilanes as external donor.
  • This catalyst system is capable of giving good performances in terms of activity, and propylene polymers with high isotacticity and xylene insolubility endowed with an intermediate molecular weight distribution.
  • R 1 -CO-O-CR 3 R 4 -A-CR 5 R 6 -O-CO-R 2 in which R 1 and R 2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 3 -R 6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 1 -R 5 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R 3 -R 6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring; A is a single bond or bivalent linking group with chain length between two free radicals being 1
  • the very broad formula reported encompass several structures with different performances. Within this general class the variety of performances is very high as some structures generate catalyst components showing activities and sterospecificities of interest while other structures make poor catalysts.
  • WO2011/068775 describes three and four atoms bridged dicarbonates compounds as internal donors in propylene polymerization. Some of the structures derive from the same diols disclosed in US7,388,061 with the difference that they are then formally esterified with chloroformate derivatives instead of aromatic acids (benzoic) derivatives. According to this patent the preferred structures are those in which the diol portion is part of an aromatic mono (phenyl) or polycyclic (naphthyl) group.
  • an object of the present invention is a catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I)
  • R 1 groups are selected from C 1 -C 15 hydrocarbon groups
  • R 8 groups are selected from hydrogen, halogen and C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, O, P, S, N and Si and L is a divalent hydrocarbon group possibly containing heteroatoms selected from halogen, O, P, S, N and Si.
  • preferred R 1 groups are selected from C 1 -C 10 hydrocarbon groups, more preferably from C 1 -C 10 alkyl groups and especially from C 1 -C 4 linear alkyl groups. Ethyl is a an especially preferred R 1 group. Moreover, it is also of general applicability the fact the preferred embodiment in which at least one of R 8 is different from hydrogen and preferably selected from C 1 -C 15 hydrocarbon groups or halogen. In a most preferred embodiment only one of R 8 groups is different from hydrogen.
  • hydrocarbon groups preferred substitutents are C 1 -C 10 alkyl groups, C 6 -C 14 aryl groups, C 3 -C 15 cycloalkyl groups, and C 7 -C 15 arylalkyl or alkylaryl groups. More preferably, they can be C 1 -C 10 alkyl groups and even more preferably linear C 1 -C 5 alkyl groups.
  • the hydrocarbon substituents are preferably located in 4-position.
  • Halogens are also preferred substituents, and among them Cl, Br and F are the preferred halogens. Cl being the most preferred. Preferred positions are meta and/or para. Also other positions in addition to meta and/or para could be susbtitued with halogens and/or hydrocarbon groups.
  • L is a divalent hydrocarbon group having a spacing chain between the two oxygen linked to it of from 2 to 6 carbon atoms and in which, independently, the said carbon atoms can be replaced by heteroatoms selected from halogen, O, P, S, N and Si and the hydrogen atom of the said divalent hydrocarbon group can, independently, be replaced by halogen or C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, which can be linked together and/or with the carbon atoms of said divalent group to form saturated or unsaturated mono or polycyclic rings.
  • L is a divalent bridging group selected from C 1 -C 20 alkylidene, C 3 -C 20 cycloalkylidene, C 6 -C 20 arylidene, C 7 -C 20 alkylarylidene, or C 7 -C 20 arylalkylidene radicals optionally containing heteroatoms selected from halogen, O, P, S, N and Si.
  • R 1 groups and R 8 groups have the same meaning as mentioned above
  • R 2 to R 4 groups, equal to or different from each other are hydrogen or C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, two or more of said groups which can be linked together to form a saturated or unsaturated mono or polycyclic
  • n is an integer ranging from 0 to 3 and the indexes a, b, and c are, independently, 1 or 2.
  • n is preferably 0 or 1.
  • both the indexes a and c are 1 and the groups R 2 and R 4 are fused together to form a phenyl ring which can be substituted according to formula IIa below: in which R 1 and R 8 , have the same meaning described above, R 2 -R 5 groups are selected from hydrogen or C 1 -C 10 hydrocarbon groups, more preferably from hydrogen and C 1 -C 10 alkyl groups.
  • R 2 to R 5 groups are hydrogen and the other two are selected from C 1 -C 10 linear or branched alkyl groups. Particularly preferred positions of the ring where substitution of hydrogen atoms takes place are positions 3 and 5.
  • Preferred alkyl groups are methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, 2-ethyl-hexyl. Among them methyl and tert-butyl are the most preferred.
  • both the indexes a and c are 2 and the groups R 2 and R 4 are, independently, selected from hydrogen and C 1 -C 10 alkyl groups, preferably from C 1 -C 5 alkyl groups and more preferably from linear C 1 -C 5 alkyl groups. In an especially preferred embodiment, both R 2 and R 4 are methyl.
  • n 1
  • R 1 and R 8 have the same meaning specified above
  • b 0
  • the groups R 2 and R 4 are fused together to form a naphtyl radical possibly substituted with halogen and/or C 1 -C 10 hydrocarbon groups optionally containing heteroatoms selected from halogen, P, S, N and Si.
  • b is 1 and the radicals R 2 and R 3 or R 3 and R 4 are fused together to form a phenyl ring possibly substituted.
  • Preferred substitution is with C 1 -C 10 linear or branched alkyl groups.
  • Particularly preferred positions of the ring where substitution of hydrogen atoms take place are positions 3 and 5. Substitution in those positions with methyl and tert-butyl respectively is especially preferred.
  • R 1 groups are selected from C 1 -C 15 hydrocarbon groups
  • R 2 to R 7 groups are hydrogen or C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, two or more of said groups which can be linked together to form a saturated or unsaturated cycle
  • R 8 groups are selected from hydrogen, halogen and C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si.
  • R 4 and R 5 independently, are hydrogen or C 1 -C 5 alkyl groups. More preferably, they are both hydrogen.
  • R 1 to R 8 have the same meaning described above.
  • R 3 -R 6 groups are selected from hydrogen or C 1 -C 10 hydrocarbon groups, more preferably from hydrogen and C 1 -C 10 alkyl groups. In a very preferred embodiment R 3 to R 6 are hydrogen.
  • the new donors described in the catalyst of the present invention may exist in spatial configurations that are more preferred than others with respect to (a) capability of being fixed in the catalyst component and (b) catalyst performances.
  • the catalyst components of the invention comprise, in addition to the above electron donors, Ti, Mg and halogen.
  • the catalyst components comprise a titanium compound, having at least a Ti-halogen bond and the above mentioned electron donor compounds supported on a Mg halide.
  • the magnesium halide is preferably MgCl 2 in active form which is widely known from the patent literature as a support for Ziegler-Natta catalysts.
  • Patents USP 4,298,718 and USP 4,495,338 were the first to describe the use of these compounds in Ziegler-Natta catalysis.
  • magnesium dihalides in active form used as support or co-support in components of catalysts for the polymerization of olefins are characterized by X-ray spectra in which the most intense diffraction line that appears in the spectrum of the non-active halide is diminished in intensity and is replaced by a halo whose maximum intensity is displaced towards lower angles relative to that of the more intense line.
  • the preferred titanium compounds used in the catalyst component of the present invention are TiCl 4 and TiCl 3 ; furthermore, also Ti-haloalcoholates of formula Ti(OR) q-y X y can be used, where q is the valence of titanium, y is a number between 1 and q-1, X is halogen and R is a hydrocarbon radical having from 1 to 10 carbon atoms.
  • the preparation of the solid catalyst component can be carried out according to several methods.
  • the magnesium dichloride in an anhydrous state, the titanium compound and the electron donor compounds are milled together under conditions in which activation of the magnesium dichloride occurs.
  • the so obtained product can be treated one or more times with an excess of TiCl 4 at a temperature between 80 and 135°C. This treatment is followed by washings with hydrocarbon solvents until chloride ions disappeared.
  • the product obtained by co-milling the magnesium chloride in an anhydrous state, the titanium compound and the electron donor compounds are treated with halogenated hydrocarbons such as 1,2-dichloroethane, chlorobenzene, dichloromethane.
  • the treatment is carried out for a time between 1 and 4 hours and at temperature of from 40°C to the boiling point of the halogenated hydrocarbon.
  • Another method comprises the reaction between magnesium alcoholates or chloroalcoholates (in particular chloroalcoholates prepared according to USP 4,220,554 ) and an excess of TiCl 4 in the presence of the electron donor compounds at a temperature of 80 to 120°C.
  • the solid catalyst component can be prepared by reacting a titanium compound of formula Ti(OR) q-y X y , where q is the valence of titanium and y is a number between 1 and q, preferably TiCl 4 , with a magnesium chloride deriving from an adduct of formula MgCl 2 ⁇ pROH, where p is a number between 0.1 and 6, preferably from 2 to 3.5, and R is a hydrocarbon radical having 1-18 carbon atoms.
  • the adduct can be suitably prepared in spherical form by mixing alcohol and magnesium chloride in the presence of an inert hydrocarbon immiscible with the adduct, operating under stirring conditions at the melting temperature of the adduct (100-130°C). Then, the emulsion is quickly quenched, thereby causing the solidification of the adduct in form of spherical particles. Examples of spherical adducts prepared according to this procedure are described in USP 4,399,054 and USP 4,469,648 .
  • the so obtained adduct can be directly reacted with Ti compound or it can be previously subjected to thermal controlled dealcoholation (80-130°C) so as to obtain an adduct in which the number of moles of alcohol is generally lower than 3, preferably between 0.1 and 2.5.
  • the reaction with the Ti compound can be carried out by suspending the adduct (dealcoholated or as such) in cold TiCl 4 (generally 0°C); the mixture is heated up to 80-130°C and kept at this temperature for 0.5-2 hours.
  • the treatment with TiCl 4 can be carried out one or more times.
  • the electron donor compounds can be added in the desired ratios during the treatment with TiCl 4 .
  • the preparation of catalyst components in spherical form are described for example in European Patent Applications EP-A-395083 , EP-A-553805 , EP-A-553806 , EPA601525 and WO98/44009 .
  • the solid catalyst components obtained according to the above method show a surface area (by B.E.T. method) generally between 20 and 500 m 2 /g and preferably between 50 and 400 m 2 /g, and a total porosity (by B.E.T. method) higher than 0.2 cm 3 /g preferably between 0.2 and 0.6 cm 3 /g.
  • the porosity (Hg method) due to pores with radius up to 10.000 ⁇ generally ranges from 0.3 to 1.5 cm 3 /g, preferably from 0.45 to 1 cm 3 /g.
  • the solid catalyst component has an average particle size ranging from 5 to 120 ⁇ m and more preferably from 10 to 100 ⁇ m.
  • the desired electron donor compounds can be added as such or, in an alternative way, can be obtained in situ by using an appropriate precursor capable of being transformed in the desired electron donor compound by means, for example, of known chemical reactions such as etherification, alkylation, esterification, transesterification.
  • the final amount of the electron donor compound of formula (I) is such that its molar ratio with respect to the TiCl 4 is from 0.01 to 1, preferably from 0.05 to 0.5.
  • the solid catalyst components according to the present invention are converted into catalysts for the polymerization of olefins by reacting them with organoaluminum compounds according to known methods.
  • Suitable external electron-donor compounds include silicon compounds, ethers, esters, amines, heterocyclic compounds and particularly 2,2,6,6-tetramethylpiperidine and ketones.
  • Another class of preferred external donor compounds is that of silicon compounds of formula (R 6 ) a (R 7 ) b Si(OR 8 ) c , where a and b are integers from 0 to 2, c is an integer from 1 to 4 and the sum (a+b+c) is 4; R 6 , R 7 , and R 8 , are alkyl, cycloalkyl or aryl radicals with 1-18 carbon atoms optionally containing heteroatoms.
  • Examples of such preferred silicon compounds are methylcyclohexyldimethoxysilane (C donor), diphenyldimethoxysilane, methyl-t-butyldimethoxysilane, dicyclopentyldimethoxysilane (D donor), (2-ethylpiperidinyl)t-butyldimethoxysilane, (2-ethylpiperidinyl)thexyldimethoxysilane, (3,3,3-trifluoro-n-propyl)(2-ethylpiperidinyl)dimethoxysilane, methyl(3,3,3-trifluoro-n-propyl)dimethoxysilane.
  • C donor methylcyclohexyldimethoxysilane
  • D donor dicyclopentyldimethoxysilane
  • D donor dicyclopentyldimethoxysilane
  • the silicon compounds in which a is 0, c is 3, R 7 is a branched alkyl or cycloalkyl group, optionally containing heteroatoms, and R 8 is methyl are also preferred.
  • Examples of such preferred silicon compounds are cyclohexyltrimethoxysilane, t-butyltrimethoxysilane and thexyltrimethoxysilane.
  • the electron donor compound (iii) is used in such an amount to give a molar ratio between the organoaluminum compound and said electron donor compound (iii) of from 0.1 to 500, preferably from 1 to 300 and more preferably from 3 to 100.
  • the polymerization process can be carried out according to known techniques for example slurry polymerization using as diluent an inert hydrocarbon solvent, or bulk polymerization using the liquid monomer (for example propylene) as a reaction medium. Moreover, it is possible to carry out the polymerization process in gas-phase operating in one or more fluidized or mechanically agitated bed reactors.
  • the polymerization is generally carried out at temperature of from 20 to 120°C, preferably of from 40 to 80°C.
  • the operating pressure is generally between 0.5 and 5 MPa, preferably between 1 and 4 MPa.
  • the operating pressure is generally between 1 and 8 MPa, preferably between 1.5 and 5 MPa.
  • the sample was prepared by analytically weighting, in a "fluxy” platinum crucible", 0.1 ⁇ 0.3 grams of catalyst and 3 grams of lithium metaborate/tetraborate 1/1 mixture.
  • the crucible is placed on a weak Bunsen flame for the burning step and then after addition of some drops of KI solution inserted in a special apparatus "Claisse Fluxy" for the complete burning.
  • the residue is collected with a 5% v/v HNO 3 solution and then the titanium was analyzed via ICP at a wavelength of 368.52 nm.
  • the determination of the content of internal donor in the solid catalytic compound was done through gas chromatography.
  • the solid component was dissolved in water.
  • the solution was extracted with ethyl acetate, an internal standard was added, and a sample of the organic phase was analyzed in a gas chromatograph, to determine the amount of donor present at the starting catalyst compound.
  • the melt flow rate MIL of the polymer was determined according to ISO 1133 (230°C, 2.16 Kg)
  • microspheroidal MgCl 2 ⁇ 2.8C 2 H 5 OH was prepared according to the method described in Example 2 of WO98/44009 , but operating on larger scale.
  • the support adduct had a P50 of about 25 ⁇ m, and an ethanol content of about 56%wt.
  • the mixture was then heated at 120°C and kept at this temperature for 1 hour. Stirring was stopped again, the solid was allowed to settle and the supernatant liquid was siphoned off. The solid was washed with anhydrous hexane six times (6 x 100 ml) in temperature gradient down to 60°C and one time (100 ml) at room temperature. The obtained solid was then dried under vacuum and analyzed.
  • D donor dicyclopentyldimethoxysilane
  • the non-reacted propylene was removed; the polymer was recovered and dried at 70°C under vacuum for three hours. Then the polymer was weighed and fractionated with o-xylene to determine the amount of the xylene insoluble (X.I.) fraction.
  • Second step 3.6 g of ethyl (4-hydroxypentan-2-yl) carbonate (20.4 mmol) are charged in a round bottom flask, under nitrogen, with 4 g of 4-n-propylbenzoyl chloride (21.9 mmol), 1.8 mL of pyridine (22.8 mmol) and 40 mL of CH 2 Cl 2 .
  • the mixture is heated up to 40°C until GC shows that the reaction is completed then quenched with acidic water.
  • the organic layer is washed with water until neutral pH, then is anhydrified over Na 2 SO 4 and the solvent is distilled off to afford 5.3 g of 4-((ethoxycarbonyl)oxy)pentan-2-yl 4-propylbenzoate.
  • Second step ethyl 3-oxobutyl carbonate (16.7 g, 0.104 mol) and EtOH (150 mL) were cooled to 0°C.
  • NaBH 4 1.1 g, 0.029 mol
  • the reaction was poured into solution of aqueous HCl (25 mL) in water (500 mL). The mixture was extracted by CH 2 Cl 2 . The organic layer was washed with water, dried over MgSO 4 , evaporated to afford 11.8 g of ethyl 3-hydroxybutyl carbonate which was used in the next step without further purification.
  • Second step 5.5 g of a 1:1 mixture of 4-(tert-butyl)-2-hydroxyphenyl benzoate and 5-(tert-butyl)-2-hydroxyphenyl benzoate (20.3 mmol) are charged in a flask with THF (30 mL), 2.4 g of pyridine (30.5 mmol) and 3.3 g of ethyl chloroformate (30.5 mmol). The reaction mixture is heated to 50°C until GC shows that the reaction is completed. The mixture is quenched with aqueous HCl and diluted with diethyl ether.
  • Second step 2 g of a 1:1 mixture of 4-(tert-butyl)-2-hydroxy-6-methylphenyl benzoate and 5-(tert-butyl)-2-hydroxy-3-methylphenyl benzoate (7 mmol) are charged in 10 mL ofTHF under nitrogen, in a round bottom flask and 0.2 g of NaH (7.8 mmol) are added portionwise. Then 1 mL of ethyl chloroformate (10.4 mmol) is added slowly and the mixture brought to reflux until GC shows that the reaction is completed. The mixture is quenched with aqueous HCl and diluted with diethyl ether.
  • the so prepared donors are also listed in Table 1.
  • the solid catalyst components prepared accortding to the general procedure were analyzed for their composition, and were tested in polymerization of propylene, using the method described above.
  • the titanium and internal donor content of the solid catalyst components, and their performance in polymerization are also shown in Table 1.

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Claims (15)

  1. Katalysatorkomponente für die Polymerisation von Olefinen, umfassend Mg, Ti und eine Elektronendonomerbindung der folgenden Formel (I)
    Figure imgb0011
     wobei die R1-Gruppen unter C1-C15-Kohlenwasserstoffgruppen ausgewählt sind, die R8-Gruppen, sind sie gleich oder verschieden voneinander, unter Wasserstoff, Halogen und C1-C15-Kohlenwasserstoffgruppen ausgewählt sind, die wahlweise ein Heteroatom enthalten ausgewählt unter Halogen, O, P, S, N und Si, und L eine zweiwertige Kohlenwasserstoffgruppe ist, die wahlweise Heteroatome enthält, ausgewählt unter Halogen, O, P, S, N und Si.
  2. Katalysatorkomponente nach Anspruch 1, wobei die R1-Gruppen unter C1-C10-Alkylgruppen ausgewählt sind und mindestens eines von R8 von Wasserstoff verschieden und unter C1-C15-Kohlenwasserstoffgruppen oder Halogen ausgewählt ist.
  3. Katalysatorkomponente nach Anspruch 2, wobei R8 unter C1-C10-Alkylgruppen oder Halogenen ausgewählt ist und sich in Meta- oder Para-Position befindet.
  4. Katalysatorkomponente nach Anspruch 1, wobei L eine zweiwertige Kohlenwasserstoffgruppe ist, die eine Spacer-Kette zwischen den beiden damit verknüpften Sauerstoffen von 2 bis 6 Kohlenstoffatomen aufweist und wobei die Kohlenstoffatome unabhängig durch Heteroatome ersetzt werden können ausgewählt unter Halogen, O, P, S, N und Si und das Wasserstoffatom der zweiwertigen Kohlenwasserstoffgruppe unabhängig durch Halogen oder C1-C15-Kohlenwasserstoffgruppen ersetzt werden kann, die wahlweise ein Heteroatom enthalten ausgewählt unter Halogen, P, S, N und Si, die miteinander und/oder mit den Kohlenstoffatomen der zweiwertigen Gruppe verknüpft werden können, um gesättigte oder ungesättigte mono- oder polycyclische Ringe zu bilden.
  5. Katalysatorkomponente nach Anspruch 4, wobei L eine zweiwertige brückenbildende Gruppe ist ausgewählt unter C1-C20-Alkyliden-, C3-C20-Cycloalkyliden-, C6-C20-Aryliden-, C7-C20-Alkylaryliden- oder C7-C20-Arylalkylidenresten, die wahlweise Heteroatome enthalten ausgewählt unter Halogen, O, P, S, N und Si.
  6. Katalysatorkomponente nach einem der vorhergehenden Ansprüche, wobei zu dem Donor die folgende Formel gehört (II)
    Figure imgb0012
     wobei die R1- und R8-Gruppen dieselbe Bedeutung aufweisen wie in Anspruch 1 definiert, die R2- bis R4-Gruppen, sind sie gleich oder verschieden voneinander, Wasserstoff oder C1-C15-Kohlenwasserstoffgruppen sind, die wahlweise ein Heteroatom enthalten ausgewählt unter Halogen, P, S, N und Si; zwei oder mehr der Gruppen zusammen verknüpft sein können, um einen gesättigten oder ungesättigten Mono- oder Polycyclus zu bilden; n eine ganze Zahl von 0 bis 3 ist und die Indizes a, b, und c unabhängig 1 oder 2 betragen.
  7. Katalysatorkomponente nach Anspruch 6, wobei der Donor folgende Formel aufweist (IIa)
    Figure imgb0013
     wobei R1 und R8 dieselbe Bedeutung besitzen wie in Anspruch 1 beschrieben, die R2-R5-Gruppen unter Wasserstoff oder C1-C10-Kohlenwasserstoffgruppen ausgewählt sind.
  8. Katalysatorkomponente nach Anspruch 7, wobei zwei der R2- bis R5-Gruppen Wasserstoff sind und die anderen beiden unter linearen oder verzweigten C l-C 10- Alkylgruppen ausgewählt sind.
  9. Katalysatorkomponente nach Anspruch 8, wobei die Positionen des Rings, wo die Substitution von Wasserstoffatomen erfolgt, die Positionen 3 und 5 sind.
  10. Katalysatorkomponente nach Anspruch 6, wobei n 1 beträgt, die Indizes a, b, und c ebenfalls 1 betragen und der Donor zur folgenden Formel gehört (III)
    Figure imgb0014
     wobei die R1- und R8-Gruppen dieselbe Bedeutung wie in Anspruch 1 definiert aufweisen, die R2- bis R7-Gruppen, sind sie gleich oder verschieden voneinander, Wasserstoff oder C1-C15-Kohlenwasserstoffgruppen sind, die wahlweise ein Heteroatom enthalten ausgewählt unter Halogen, P, S, N und Si, zwei oder mehr der Gruppen miteinander verknüpft sein können, um einen gesättigten oder ungesättigten Cyclus zu bilden.
  11. Katalysatorkomponente nach Anspruch 10, wobei R4 und R5 unabhängig Wasserstoff oder C1-C5-Alkylgruppen sind.
  12. Katalysatorkomponente nach Anspruch 10, wobei der Donor die folgende Formel (IV) aufweist
    Figure imgb0015
     wobei die R3-R6-Gruppen unter Wasserstoff oder C1-C10-Kohlenwasserstoffgruppen ausgewählt sind.
  13. Katalysatorkomponente nach einem der vorhergehenden Ansprüche, wobei mehr als 50% der Gesamtmenge an Donor eine syn-Konfiguration aufweisen.
  14. Katalysator für die (Co)polymerisation von Olefinen CH2=CHR, wobei R Wasserstoff oder ein Hydrocarbylrest mit 1-12 Kohlenstoffatomen ist, umfassend das Produkt, das durch Kontaktieren erhalten wird von:
    a. der festen Katalysatorkomponente nach einem der vorhergehenden Ansprüche und
    b. einer Alkylaluminiumverbindung und wahlweise
    c. einer externen Donomerbindung.
  15. Verfahren für die Polymerisation von Olefinen, das in Gegenwart eines Katalysators nach Anspruch 14 ausgeführt wird.
EP13707189.0A 2012-03-07 2013-03-05 Katalysatorkomponenten zur olefinpolymerisation Active EP2822977B1 (de)

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TWI639626B (zh) * 2013-09-30 2018-11-01 中國石油化工科技開發有限公司 Catalyst composition for olefin polymerization and application thereof
CN106471018B (zh) * 2014-06-02 2019-09-17 Sabic环球技术有限责任公司 用于烯烃的聚合的原催化剂
WO2015185495A1 (en) * 2014-06-02 2015-12-10 Sabic Global Technologies B.V. Procatalyst for polymerization of olefins
WO2016050662A1 (en) * 2014-10-03 2016-04-07 Basell Poliolefine Italia S.R.L. Catalyst components for the polymerization of olefins
EP3268397B1 (de) * 2015-03-10 2019-04-17 Basell Poliolefine Italia S.r.l. Katalysatorkomponenten zur olefinpolymerisierung
MY207750A (en) * 2018-05-21 2025-03-17 China Petroleum & Chem Corp Catalyst component for olefin polymerization, preparation method thereof, and catalyst including same

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IT1096661B (it) 1978-06-13 1985-08-26 Montedison Spa Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente
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